Jacob's Pest ControlPest control company in O'Fallon, MO

Jacob's Pest Control is ranked #41 of 111 pest control companies in O'Fallon by CR Score, with 56 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Jacob's Pest Control is open Monday to Friday and Sunday. Its listed hours are Monday to Thursday, 8 AM – 7 PM; Friday, 8 AM – 5 PM; Sunday, 9 AM – 5 PM. It is closed on Saturdays, and on Sundays 9 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

Serves O'Fallon and 12 towns within 25 miles: St. Louis, University City, Clayton, Richmond Heights, Jennings, Maplewood, Bellefontaine Neighbors, Brentwood, Shrewsbury, Saint Johns, Saint John and Dellwood. The list is based on the business's location and the usual service radius for pest control. Confirm your address is covered when you call.

Jacob's Pest Control has a rating of 5.0 from 17 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Jacob's Pest Control on (314) 482-5509. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.